a noun is a word used to identify a person, place, thing, or idea. In this case, 'season' is a noun that can refer to a specific time of the year (winter, spring, summer, or fall). This noun can also be used to describe two period of time in a sport.
This winter season is especially cold.
I usually look forward to the summer season.
The baseball season runs from April to October.
when referring to a specific time of year, the noun is usually preceded by an article such as 'the' or 'a', as in 'The fall season is my favorite.' Additionally, be aware that the plural of 'season' will usually take the form of 'seasons' instead of 'season’s'.
a verb is a word used to describe an action or state of being. In this case, 'season' is used as a verb when referring to the act of adding salt or other flavorings to a food.
She seasoned the soup with salt.
I seasoned the meat before grilling it.
You need to season the burgers before they go on the grill.
when used as a verb, 'season' often takes the form of 'seasoned' rather than 'season' when used in the past tense, such as when talking about past events.